mtg warhammer 40k collector commander decks Decks: Are They Worth It? 000 Commander Deck—The Ruinous Powers Commander Decks, Collector's Edition—Universes Beyond:

Because Emerald/Steels insane discard engine makes it possible to quickly and effectively reduce your opponents hand to zero, often the card that you bounce back to the hand will also be discarded, making Bruno one of the strongest card removal songs in the game

I know the card says that, but it really bears repeating

Sword of Hearth and Home and a way to either attack with another unblocked creature that can flicker Aurelia or a way to auto-equip, such as Ardenn, Intrepid Archaeologist, can help combo in this way

Each player sacrifices all creatures they control not chosen this way

Apart from that, this can trade up for stuff in general

Both are game enders if allowed to drop on the board